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DOI | 10.1029/2019JD031541 |
Dominance of Shortwave Radiative Heating in the Sea-Land Breeze Amplitude and its Impacts on Atmospheric Visibility in Tokyo, Japan | |
Shen, Lixing1,2; Zhao, Chuanfeng1,2 | |
2020-04-27 | |
发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
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ISSN | 2169-897X |
EISSN | 2169-8996 |
出版年 | 2020 |
卷号 | 125期号:8 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | This study uses 21-year observations to analyze the characteristics of sea-land breeze (SLB) circulation and its potential influencing factors in the metropolis of Tokyo. Unlike in other megacities, the magnitude of the SLB in Tokyo does not show a decreasing trend over the years. It is found that the diurnal variation magnitude of the SLB fits an approximately sinusoidal function. The diurnal variation amplitude mainly depends on shortwave radiation that reaches the ground. Stronger radiation is often accompanied by SLB circulation with greater energy, which helps transport more air pollution in the urban area of Tokyo. Correspondingly, atmospheric visibility shows good correlation with in situ shortwave radiation. Generally, strong radiation heats the ground surface, which causes larger land-sea temperature differences and thus greater SLB circulation amplitudes, which is favorable for pollution dispersion and better atmospheric visibility. The presence of less aerosols and the associated better atmospheric visibility weaken the umbrella effect on solar radiation, which allows more solar radiation to reach the ground. This positive feedback could further strengthen the connection between solar radiation, sea-land breezes, and atmospheric visibility. Increasing solar radiation and atmospheric visibility even produces stronger SLB magnitudes at night. Moreover, it is noteworthy that urban heat island circulation plays a similar role to that of SLB circulation, which also makes the variation of in situ radiation and visibility synchronous. |
英文关键词 | solar radiation sea-land breeze atmospheric visibility urban heat island |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000530005500016 |
WOS关键词 | AIR-POLLUTION ; TRANSPORT ; WIND ; CIRCULATION ; SIMULATION |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/280201 |
专题 | 气候变化 |
作者单位 | 1.Beijing Normal Univ, State Key Lab Earth Surface Proc & Resource Ecol, Beijing, Peoples R China; 2.Beijing Normal Univ, Coll Global Change & Earth Syst Sci, Beijing, Peoples R China |
推荐引用方式 GB/T 7714 | Shen, Lixing,Zhao, Chuanfeng. Dominance of Shortwave Radiative Heating in the Sea-Land Breeze Amplitude and its Impacts on Atmospheric Visibility in Tokyo, Japan[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2020,125(8). |
APA | Shen, Lixing,&Zhao, Chuanfeng.(2020).Dominance of Shortwave Radiative Heating in the Sea-Land Breeze Amplitude and its Impacts on Atmospheric Visibility in Tokyo, Japan.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,125(8). |
MLA | Shen, Lixing,et al."Dominance of Shortwave Radiative Heating in the Sea-Land Breeze Amplitude and its Impacts on Atmospheric Visibility in Tokyo, Japan".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 125.8(2020). |
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